TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

RADIOISOTOPE [1 record]

Record 1 2015-05-06

English

Subject field(s)
  • Atomic Physics
  • Chemistry
DEF

An isotope that undergoes spontaneous decay and emits radiation.

CONT

All atoms with nuclei containing the same number of protons have identical chemical properties and are called isotopes of the element in question. Isotopes may be radioactive or stable.

OBS

radioisotope: This term should not be used with the meaning of radionuclide.

OBS

radioisotope: term standardized by ISO in 1997.

French

Domaine(s)
  • Physique atomique
  • Chimie
DEF

Isotope qui subit une désintégration spontanée et émet un rayonnement.

OBS

radio-isotope : Ce terme ne doit pas être employé dans le sens de radionucléide.

OBS

radio-isotope : terme normalisé par l'ISO en 1997.

Spanish

Campo(s) temático(s)
  • Física atómica
  • Química
DEF

Variante de un elemento químico con el mismo número de electrones y neutrones pero diferente número de neutrones y propiedades radiactivas.

Key term(s)
  • isótopo radioactivo
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